Designed specfically for the smaller 35mm SLR cameras. Model 515 holds the camera ready for action with an attached lens uo to 5 1/2 inches long. A large zippered front pocket will hold a flash, extra film and accessories. The shoulder strap is adjustable and removable so that the bag can be carried on the belt as a holster. Use the optional S-500 Chest Harness System to wear the Compact Zoom Pak as a chest pack.